#Colorado River

All articles tagged with "Colorado River"

Federal Colorado River plan points to deep cuts for the Southwest

A developing federal framework for the Colorado River could reduce water deliveries to Arizona, California, and Nevada by as much as 40 percent, putting farms, cities, and tribes under renewed pressure.

Key Takeaways

Federal officials are developing a 10-year Colorado River framework with two-year reassessments.
The plan could cut downstream deliveries by as much as 3 million acre-feet per year.

DT Editorial Team·May 17, 2026·via cleantechnica.com

Grand Canyon origin debate gets a boost from evidence of a late Miocene Colorado River in the Bidahochi basin

A new Science paper, based on its title and citation metadata, reports that a late Miocene arrival of the Colorado River in the Bidahochi basin supports a spillover origin for the Grand Canyon.

Key Takeaways

The paper title says late Miocene Colorado River arrival in the Bidahochi basin supports a spillover origin of the Grand Canyon.
The available source text is limited to title and citation metadata, so the interpretation here stays close to that wording.

DT Editorial Team·Apr 18, 2026·via science.org

Scientists Say They Have Solved a 5-Million-Year Colorado River Mystery

A new report says geologists have identified what happened after the Colorado River disappeared from the geological record for millions of years.

Key Takeaways

Phys.org reports geologists have solved a long-standing Colorado River mystery.
The puzzle concerned a roughly 5-million-year gap in the geological record.

DT Editorial Team·Apr 17, 2026·via phys.org

A Giant Ancient Lake May Explain How the Grand Canyon Began to Form

New research argues the Colorado River may have pooled into a vast lake in northern Arizona before spilling downstream and helping carve the Grand Canyon, though the interpretation is not universally accepted.

DT Editorial Team·Apr 16, 2026·via livescience.com